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Robert Griffin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Belknap-County, New Hampshire
Our Model Tree links this Robert Griffin across the 1930 and 1940 US Censuses in Belknap-County, New Hampshire (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 12-person household.
Age 11
b. ~1929
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Belknap-County, New Hampshire |
| Surname | Griffin |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Tilton town |
| 1935 Residence (County) | Belknap |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Township / Ward | Tilton Town |
| Est. Birth Year | ~1929 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Annabelle Griffin | Daughter | — | 6 | ~1934 |
| Bernard Griffin | Son | — | 23 | ~1917 |
| Bertha Griffin | Spouse | — | 43 | ~1897 |
| Earl Griffin | Son | — | 20 | ~1920 |
| Leona Griffin | Daughter | — | 8 | ~1932 |
| Newton Griffin | Son | — | 18 | ~1922 |
| Sherwood Griffin | Son | — | 15 | ~1925 |
| Harry Griffin | Head | — | 52 | ~1888 |
| Ernest Griffin | Son | — | 24 | ~1916 |
| Mildred Griffin | Daughter | — | 17 | ~1923 |
| Ethel Griffin | Daughter | — | 12 | ~1928 |
| Robert Griffin | Son | — | 11 | ~1929 |
Census Appearances
1930
Belknap, New …
Son, age 1
Belknap, New Hampshire · implied b. ~1929 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Belknap-County, New …
Son, age 11
Belknap-County, New Hampshire · implied b. ~1929 — 12 household members
| Surname | Griffin |
| Given Name | Robert H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Tilton town |
| 1935 Residence (County) | Belknap |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Robert Griffin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Griffin
Son · 1940 · age 11 · b. ~1929 · New Hampshire
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Sibling
Newton Griffin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sherwood Griffin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leona Griffin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Griffin
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Griffin
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Griffin
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Griffin
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annabelle Griffin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Griffin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Belknap-County, New Hampshire
Open full size
1940 US Federal Census — Belknap-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02283-00708)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alfred H. Gagnon | 48 | Inmate | — | Canada French |
| 42 | Albert Haladay | 43 | Inmate | — | Vermont |
| 43 | Harry W. Porter | 56 | Inmate | — | Massachusetts |
| 44 | Wallace C. Dunksbury | 46 | Inmate | — | New Hampshire |
| 45 | — | None | — | — | — |
| 46 | Walter H. Daniels | 47 | Head | Road Agent | New Hampshire |
| 47 | Mary Daniels | 47 | Wife | — | Massachusetts |
| 48 | George E. Daniels | 24 | Son | Manager | New Hampshire |
| 49 | Dora R. Daniels | 70 | Head | — | New Hampshire |
| 50 | Mabel J. Conner | 78 | Boarder | — | New Hampshire |
| 51 | Joseph A. Mcneil | 70 | Head | Pattern Maker | Vermont |
| 52 | Margaret Mcneil | 72 | Wife | — | Nova Scotia |
| 53 | Joseph C. Loverin | 19 | Grandson | Laborer | New Hampshire |
| 54 | Robert A. Loverin | 17 | Grandson | — | New Hampshire |
| 55 | James D. Loverin | 12 | Grandson | — | Massachusetts |
| 56 | Harry W. Griffin | 52 | Head | Laborer | New Hampshire |
| 57 | Bertha M. Griffin | 43 | Wife | — | New Hampshire |
| 58 | Ernest G. Griffin | 24 | Son | Plumber | New Hampshire |
| 59 | Bernard O. Griffin | 23 | Son | Laborer | New Hampshire |
| 60 | Earl W. Griffin | 20 | Son | Laborer | New Hampshire |
| 61 | Newton L. Griffin | 18 | Son | Laborer | New Hampshire |
| 62 | Mildred C. Griffin | 17 | Daughter | — | New Hampshire |
| 63 | Sherwood E. Griffin | 15 | Son | — | New Hampshire |
| 64 | Ethel M. Griffin | 12 | Daughter | — | New Hampshire |
| 65 | Robert H. Griffin THIS PERSON | 11 | Son | — | New Hampshire |
| 66 | Leona O. Griffin | 8 | Daughter | — | New Hampshire |
| 67 | Annabelle O. Griffin | 6 | Daughter | — | New Hampshire |
| 68 | Clarence S. Pickard | 50 | Head | Farmer | New Hampshire |
| 69 | Lola G. Pickard | 65 | Wife | — | New Hampshire |
| 70 | Henry W. Langne | 69 | Head | — | New Hampshire |
| 71 | Mary Langne | 65 | Wife | — | Ireland Free State |
| 72 | Lysander E. Guerney | 66 | Head | — | New Hampshire |
| 73 | Anna C. Guerney | 62 | Wife | — | Vermont |
| 74 | Gerald J. Steinburg | 26 | Head | Finisher | Vermont |
| 75 | Arthur J. Smith | 40 | Head | Laborer | New Hampshire |
| 76 | Alice M. Smith | 38 | Wife | — | New Hampshire |
| 77 | Richard P. Smith | 14 | Son | — | Vermont |
| 78 | Charles S. Gilphy | 56 | Head | Farmer | New Hampshire |
| 79 | Eva D. Gilphy | 56 | Wife | — | New Hampshire |
| 80 | Sherman S. Gilphy | 23 | Son | Laborer | New Hampshire |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)